# RBL checks (with teergrubing) deny   hosts = +rbl_hosts        message = host is listed in $dnslist_domain        !senders = lsearch*@;CONFDIR/accept_senders.list        !recipients = lsearch*@;CONFDIR/accept_recipients.list        dnslists = relays.ordb.org:dnsbl.njabl.org:opm.blitzed.org        delay = 300s warn   hosts = +rbl_hosts        message = X-Warning: $sender_host_address is listed at $dnslist_domain        dnslists = list.dsbl.org